Marin H. Kollef, MD
NPI 1326077165ActiveIndividual· Internal Medicine, Pulmonary Disease· Saint Louis, MO
Internal Medicine, Pulmonary Disease (MD) in Saint Louis, Missouri, trained at University of Rochester School of Medicine and Dentistry (class of 1983). Medicare paid $48,625 for services to 159 patients in 2024. Shionogi Inc was the largest of 3 companies reporting payments in 2025, $9,900 in all, mostly consulting fees.
Overview
| NPI | 1326077165 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 2, 2006 |
| Last updated in NPPES | Apr 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 100348 | MO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Critical Care (Intensivists) (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 159 |
|---|---|
| Services billed | 472 across 15 procedure codes |
| Paid by Medicare | $48,625 |
Education and affiliations
| Medical school | University of Rochester School of Medicine and Dentistry |
|---|---|
| Graduation year | 1983 |
| Medicare specialty | Critical Care (Intensivists) |
| Secondary specialties | Internal Medicine, Pulmonary Disease |
Medical group
- Washington UniversitySaint Louis, MO · 3,029 clinicians
Hospital affiliations
- Barnes Jewish HospitalSaint Louis, MO
- Christian Hospital NortheastSaint Louis, MO
Industry payments (Open Payments)
- 2025$9,900 · 5 payments from 3 companies
- 2024$2,373 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Shionogi Inc | $7,090 | 3 |
| Merck Sharp & Dohme LLC | $1,860 | 1 |
| Grifols Therapeutics LLC | $950.00 | 1 |
What the 2025 payments were for
- Consulting Fee$9,900 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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